Dog Years To Human Years: 5 Dog Sizes And Their Age

Toy Dog Breeds

Most toy dog breeds weigh less than 15 pounds, but can live up to 16 years on average.

Small Dog Breeds

Small dogs have a longer median lifespan at 16.4 dog years, which is 82 in human years.

Medium-Sized Dogs

Medium-sized dogs reach 56 human years when they turn 9 years old.

Large Dog Breeds

Purebred larger breeds live about 14.3 (14.1–14.8) years on average, which is by our calculations 67 in human years.

Giant Dog Breeds

Giant dogs live up to 93 human years! This means that a 12 year-old dog is the same as a 93 year-old human.